创建参差不齐的数组

/*
nowjava - 时  代  Java 提供
*/

public class Main {

    public static void main(String[] args) {

        int ragged[][] = new int[5][];

        for (int i = 0; i < 5; i++) {

            ragged[i] = new int[i + 1];

        }


        for (int i = 0; i < 5; i++) {

            for (int j = 0; j < ragged[i].length; j++) {

                ragged[i][j] = (int) (10 * Math.random());

            }

        }


        System.out.println("type:" + ragged + " " + ragged.length);

        for (int i = 0